Increased number of patients who completed the test for faecal occult blood following the first solicitation with the letter co-signed by general practitioner, compared with the conventional solicition(including replies exclusions).

Compare the rate of completion of colonoscopy after a positive test (information received by ADECA in the follow-up), according to the specifications. [ Time Frame: 7 months ] [ Designated as safety issue: No ]

Original Secondary Outcome Measures ICMJE

Same as current

Current Other Outcome Measures ICMJE

Not Provided

Original Other Outcome Measures ICMJE

Not Provided

Descriptive Information

Brief Title ICMJE

Does the Invitation by the General Practitioner Improve Patients' Participation in Colorectal Cancer Screening?

Official Title ICMJE

Does the Invitation by the General Practitioner Improve Patients' Participation in Colorectal Cancer Screening? A Cluster Randomised Controlled Study.

Brief Summary

The propose of this study is to assess the effect of general practitioner's involvement on first patients' solicitation in screening for colorectal cancer by testing for faecal occult blood (FOBT).